Shop Wiring a Boat Trailer 4 Wires

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$30.09
$42.99
Seavolt 25' Trailer Wiring Kit, 5-Way | By West Marine
WestMarine
30% off
$30.09
$42.99
Seavolt 25' Trailer Wiring Kit, 5-Way | By West Marine
WestMarine
$28.69
$40.99
Seavolt 25' Trailer Wiring Kit, 4-Way | By West Marine
WestMarine
30% off
$28.69
$40.99
Seavolt 25' Trailer Wiring Kit, 4-Way | By West Marine
WestMarine
$34.32
$78.00
Gearit 7 Way Plug Inline Trailer Cord (16 Feet) With 7 Gang Junction Box - Weatherproof Wiring Harness Cable With Waterproof Junction Box For RV
Amazon.com
312
56% off
$34.32
$78.00
Gearit 7 Way Plug Inline Trailer Cord (16 Feet) With 7 Gang Junction Box - Weatherproof Wiring Harness Cable With Waterproof Junction Box For RV
Amazon.com
312
$12.99
$15.99
True Mods 4 Pin Flat Trailer Light Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25' Male & 4' Female] [18 AWG Color Coded Wires] 4 Way Flat
Amazon.com
3K+
18% off
$12.99
$15.99
True Mods 4 Pin Flat Trailer Light Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25' Male & 4' Female] [18 AWG Color Coded Wires] 4 Way Flat
Amazon.com
3K+
$69.95
BEST CONNECTIONS 4 Way Trailer Wire (100 Feet) - Heavy Duty 14 Gauge 4 Conductor Insulated Cable - Durable, Weatherproof, Color-Coded 4 Way Trailer
Amazon.com
382
Free shipping
$69.95
BEST CONNECTIONS 4 Way Trailer Wire (100 Feet) - Heavy Duty 14 Gauge 4 Conductor Insulated Cable - Durable, Weatherproof, Color-Coded 4 Way Trailer
Amazon.com
382
$24.99
Optronics 40ft 5-Pin Trailer Wiring Harness - Wishbone Style - 30" Ground - 5' Aux Wire
Super Bright LEDs
$24.99
Optronics 40ft 5-Pin Trailer Wiring Harness - Wishbone Style - 30" Ground - 5' Aux Wire
Super Bright LEDs
$17.13
Wesbar 4-Way Flat Trailer End Wiring Connector With 18 Inch Wire 002402
TrailerJacks.com
4
$17.13
Wesbar 4-Way Flat Trailer End Wiring Connector With 18 Inch Wire 002402
TrailerJacks.com
4
$40.48
4-Flat Wiring Harness Tow Plug Kit Trailer End Connector, 35 ft Wishbone Harness, 30" Ground
TrailerJacks.com
$40.48
4-Flat Wiring Harness Tow Plug Kit Trailer End Connector, 35 ft Wishbone Harness, 30" Ground
TrailerJacks.com
$89.99
Kicker 47KMWPR420 Marine-Grade Red Power Wire, 20-Feet - 4-Gauge
Crutchfield
1
$89.99
Kicker 47KMWPR420 Marine-Grade Red Power Wire, 20-Feet - 4-Gauge
Crutchfield
1
$1.50
4-Wire Trailer Wire - 16 Gauge Parallel Bonded Wire - Four Conductor
Super Bright LEDs
$1.50
4-Wire Trailer Wire - 16 Gauge Parallel Bonded Wire - Four Conductor
Super Bright LEDs
$70.99
CURT Custom Wiring Harness (4-Way Flat Output), 56385
Advance Auto Parts
$70.99
CURT Custom Wiring Harness (4-Way Flat Output), 56385
Advance Auto Parts
$29.00
25 ft 4-Way Trailer Wiring Harness - Wishbone Style - 25' Ground A25W2GWB
etrailer.com
$29.00
25 ft 4-Way Trailer Wiring Harness - Wishbone Style - 25' Ground A25W2GWB
etrailer.com
$29.99
4-Way Split Harness Kit 18 AWG | For Trailers | By West Marine
WestMarine
$29.99
4-Way Split Harness Kit 18 AWG | For Trailers | By West Marine
WestMarine
$24.16
Hopkins Towing Solutions Bonded Trailer Wire: 4-Way Model: 49915
Grainger
57
$24.16
Hopkins Towing Solutions Bonded Trailer Wire: 4-Way Model: 49915
Grainger
57
$89.99
Kicker 47KMWPY420 Marine-Grade Yellow Ground Wire, 20-Feet - 4-Gauge
Crutchfield
$89.99
Kicker 47KMWPY420 Marine-Grade Yellow Ground Wire, 20-Feet - 4-Gauge
Crutchfield
$18.99
Optronics 35ft 4-Pin Trailer Wiring Harness - Wishbone Style - 42" Ground
Super Bright LEDs
$18.99
Optronics 35ft 4-Pin Trailer Wiring Harness - Wishbone Style - 42" Ground
Super Bright LEDs
$144.99
Seachoice Tinned Copper Wire 4 AWG 50' Black
Defender Marine
$144.99
Seachoice Tinned Copper Wire 4 AWG 50' Black
Defender Marine
$23.99
CURT Vehicle Side 4 Pin Flat Trailer Wiring Harness With 60 Inch Wires 58041
TrailerJacks.com
115
$23.99
CURT Vehicle Side 4 Pin Flat Trailer Wiring Harness With 60 Inch Wires 58041
TrailerJacks.com
115
$63.89
$95.84
4-Wire Trailer Lighting Cable 04923 Red Yellow Green Brown 100 Feet
www.hardclikk.com CCC
33% off
$63.89
$95.84
4-Wire Trailer Lighting Cable 04923 Red Yellow Green Brown 100 Feet
www.hardclikk.com CCC
$69.21
8 ft. Trailer Wiring Harness Kit With 7-Pin Trailer Plug Inline Wire Harness Cable In Black
Home Depot
Free shipping
$69.21
8 ft. Trailer Wiring Harness Kit With 7-Pin Trailer Plug Inline Wire Harness Cable In Black
Home Depot
Free shipping
$32.60
Wesbar Wiring Connector, 4-Way Flat Trailer End, 4 ft. Length Wire
TowUniverse.com
658
$32.60
Wesbar Wiring Connector, 4-Way Flat Trailer End, 4 ft. Length Wire
TowUniverse.com
658
$78.99
CURT Custom Wiring Harness (4-Way Flat Output), 56300
Advance Auto Parts
123
$78.99
CURT Custom Wiring Harness (4-Way Flat Output), 56300
Advance Auto Parts
123
$79.99
CURT Custom Wiring Harness (4-Way Flat Output), 55532
Advance Auto Parts
85
$79.99
CURT Custom Wiring Harness (4-Way Flat Output), 55532
Advance Auto Parts
85
$31.86
$50.98
4 Way Trailer Wire Harness 14Ga 100ft Insulated Stranded Cable Copper Clad
topbraggrealtyus
37% off
$31.86
$50.98
4 Way Trailer Wire Harness 14Ga 100ft Insulated Stranded Cable Copper Clad
topbraggrealtyus
$36.95
Sbt Trailer Wire Harness 25ft
Watercraft Superstore
$36.95
Sbt Trailer Wire Harness 25ft
Watercraft Superstore
$20.39
Optronics Inc. - 25' Trailer Wiring Harness - 4-Way - 4-Way Trailer Wiring Harness - A-25WH
UtvNut
$20.39
Optronics Inc. - 25' Trailer Wiring Harness - 4-Way - 4-Way Trailer Wiring Harness - A-25WH
UtvNut
$16.99
Bass Pro Shops 4-Way Trailer Wire Harness Kit
Cabela's
$16.99
Bass Pro Shops 4-Way Trailer Wire Harness Kit
Cabela's
$4.22
Wesbar 4-Way Flat Trailer End Wire Harness 18"
Defender Marine
4
$4.22
Wesbar 4-Way Flat Trailer End Wire Harness 18"
Defender Marine
4
$7.91
Optronics Inc. - 4' Trailer Wiring Harness - 4-Way - 4-Way Trailer Wiring Harness - A-48TC
UtvNut
12
$7.91
Optronics Inc. - 4' Trailer Wiring Harness - 4-Way - 4-Way Trailer Wiring Harness - A-48TC
UtvNut
12
$69.99
Jeep Gladiator Redrock 4-Way Trailer Wiring Harness Kit J191263
Extreme Terrain
$69.99
Jeep Gladiator Redrock 4-Way Trailer Wiring Harness Kit J191263
Extreme Terrain
$26.86
$28.57
CURT 57001 Bonded 4-Wire Spool
CARiD.com Google Merchant
15
$26.86
$28.57
CURT 57001 Bonded 4-Wire Spool
CARiD.com Google Merchant
15
$31.77
Optronics Wishbone 4-Way Trailer Wiring Harness 25ft.
PartsGiant
Free shipping
$31.77
Optronics Wishbone 4-Way Trailer Wiring Harness 25ft.
PartsGiant
Free shipping
$34.99
CURT 57001 Bonded Trailer Wiring, 25-Foot Spool, 4 Pin Trailer Wiring
Northern Tool
86
$34.99
CURT 57001 Bonded Trailer Wiring, 25-Foot Spool, 4 Pin Trailer Wiring
Northern Tool
86
$71.31
Grote 87172 - Trailer Wiring, Straight Green Abs, 15', 4/12, 2/10 & 1/8 Gauge, Metal Plugs
Walmart
59
Free shipping
$71.31
Grote 87172 - Trailer Wiring, Straight Green Abs, 15', 4/12, 2/10 & 1/8 Gauge, Metal Plugs
Walmart
59
$135.06
4 Wire Trailer Wire - 14/4 100ft 4 Way Trailer Cable 100% Pure Copper
eBay
Free shipping
$135.06
4 Wire Trailer Wire - 14/4 100ft 4 Way Trailer Cable 100% Pure Copper
eBay
Free shipping
$28.99
Wesbar 25' Flat Trailer End Wiring Harness Kit 4-Way
Defender Marine
$28.99
Wesbar 25' Flat Trailer End Wiring Harness Kit 4-Way
Defender Marine
How to replace your boat trailer wiring and lights..The easy Way
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How to replace your boat trailer wiring and lights..The easy Way
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How to Wire Trailer Lights Made Easy
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How to Wire a Utility Trailer // Brake Lights
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6:08
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Shop Wiring a Boat Trailer 4 Wires

Sponsored
About our ads
$30.09
$42.99
Seavolt 25' Trailer Wiring Kit, 5-Way | By West Marine
WestMarine
30% off
$30.09
$42.99
Seavolt 25' Trailer Wiring Kit, 5-Way | By West Marine
WestMarine
$28.69
$40.99
Seavolt 25' Trailer Wiring Kit, 4-Way | By West Marine
WestMarine
30% off
$28.69
$40.99
Seavolt 25' Trailer Wiring Kit, 4-Way | By West Marine
WestMarine
$34.32
$78.00
Gearit 7 Way Plug Inline Trailer Cord (16 Feet) With 7 Gang Junction Box - Weatherproof Wiring Harness Cable With Waterproof Junction Box For RV
Amazon.com
312
56% off
$34.32
$78.00
Gearit 7 Way Plug Inline Trailer Cord (16 Feet) With 7 Gang Junction Box - Weatherproof Wiring Harness Cable With Waterproof Junction Box For RV
Amazon.com
312
$12.99
$15.99
True Mods 4 Pin Flat Trailer Light Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25' Male & 4' Female] [18 AWG Color Coded Wires] 4 Way Flat
Amazon.com
3K+
18% off
$12.99
$15.99
True Mods 4 Pin Flat Trailer Light Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25' Male & 4' Female] [18 AWG Color Coded Wires] 4 Way Flat
Amazon.com
3K+
$69.95
BEST CONNECTIONS 4 Way Trailer Wire (100 Feet) - Heavy Duty 14 Gauge 4 Conductor Insulated Cable - Durable, Weatherproof, Color-Coded 4 Way Trailer
Amazon.com
382
Free shipping
$69.95
BEST CONNECTIONS 4 Way Trailer Wire (100 Feet) - Heavy Duty 14 Gauge 4 Conductor Insulated Cable - Durable, Weatherproof, Color-Coded 4 Way Trailer
Amazon.com
382
$24.99
Optronics 40ft 5-Pin Trailer Wiring Harness - Wishbone Style - 30" Ground - 5' Aux Wire
Super Bright LEDs
$24.99
Optronics 40ft 5-Pin Trailer Wiring Harness - Wishbone Style - 30" Ground - 5' Aux Wire
Super Bright LEDs
$17.13
Wesbar 4-Way Flat Trailer End Wiring Connector With 18 Inch Wire 002402
TrailerJacks.com
4
$17.13
Wesbar 4-Way Flat Trailer End Wiring Connector With 18 Inch Wire 002402
TrailerJacks.com
4
$40.48
4-Flat Wiring Harness Tow Plug Kit Trailer End Connector, 35 ft Wishbone Harness, 30" Ground
TrailerJacks.com
$40.48
4-Flat Wiring Harness Tow Plug Kit Trailer End Connector, 35 ft Wishbone Harness, 30" Ground
TrailerJacks.com
$89.99
Kicker 47KMWPR420 Marine-Grade Red Power Wire, 20-Feet - 4-Gauge
Crutchfield
1
$89.99
Kicker 47KMWPR420 Marine-Grade Red Power Wire, 20-Feet - 4-Gauge
Crutchfield
1
$1.50
4-Wire Trailer Wire - 16 Gauge Parallel Bonded Wire - Four Conductor
Super Bright LEDs
$1.50
4-Wire Trailer Wire - 16 Gauge Parallel Bonded Wire - Four Conductor
Super Bright LEDs
$70.99
CURT Custom Wiring Harness (4-Way Flat Output), 56385
Advance Auto Parts
$70.99
CURT Custom Wiring Harness (4-Way Flat Output), 56385
Advance Auto Parts
$29.00
25 ft 4-Way Trailer Wiring Harness - Wishbone Style - 25' Ground A25W2GWB
etrailer.com
$29.00
25 ft 4-Way Trailer Wiring Harness - Wishbone Style - 25' Ground A25W2GWB
etrailer.com
$29.99
4-Way Split Harness Kit 18 AWG | For Trailers | By West Marine
WestMarine
$29.99
4-Way Split Harness Kit 18 AWG | For Trailers | By West Marine
WestMarine
$24.16
Hopkins Towing Solutions Bonded Trailer Wire: 4-Way Model: 49915
Grainger
57
$24.16
Hopkins Towing Solutions Bonded Trailer Wire: 4-Way Model: 49915
Grainger
57
$89.99
Kicker 47KMWPY420 Marine-Grade Yellow Ground Wire, 20-Feet - 4-Gauge
Crutchfield
$89.99
Kicker 47KMWPY420 Marine-Grade Yellow Ground Wire, 20-Feet - 4-Gauge
Crutchfield
$18.99
Optronics 35ft 4-Pin Trailer Wiring Harness - Wishbone Style - 42" Ground
Super Bright LEDs
$18.99
Optronics 35ft 4-Pin Trailer Wiring Harness - Wishbone Style - 42" Ground
Super Bright LEDs
$144.99
Seachoice Tinned Copper Wire 4 AWG 50' Black
Defender Marine
$144.99
Seachoice Tinned Copper Wire 4 AWG 50' Black
Defender Marine
$23.99
CURT Vehicle Side 4 Pin Flat Trailer Wiring Harness With 60 Inch Wires 58041
TrailerJacks.com
115
$23.99
CURT Vehicle Side 4 Pin Flat Trailer Wiring Harness With 60 Inch Wires 58041
TrailerJacks.com
115